List of current valid scientific avian names subdivided by order and family, based on the Sibley and Monroe and AOU lists. Includes scientific names and publication details. www.zoonomen.net/avtax/frame.html
The Provincial Museum of Alberta's on-line, searchable, field guide of over 300 bird eggs. Global, with emphasis on birds of Alberta. Includes photos and taxonomic information. www.pma.edmonton.ab.ca/vexhibit/eggs/vexhome/egghome.htm
Lists of all species with scientific and English names, subdivided by Family. Choice of list based on the Clements or the Sibley and Monroe classification schemes. birdingonthe.net/clements
Describes the anatomy and physiology of birds for the lay audience, explaining technical terms along the way. Some emphasis on details of psittacines. www.exoticpetvet.net/avian/anatomy.html
Fifty-one images of North American birds from watercolors done by John James Audubon. List can be browsed by common or scientific name. www.nature.net/birds
An extensive database information system about all birds of the world, containing nearly 1 million records about 10,000 species and 22,000 subspecies of birds, including distribution information, taxonomy, and synonyms in several languages. www.bsc-eoc.org/avibase/avibase.jsp
Information about the book series that will illustrate and deal in detail with all the species of birds in the world. Site includes tables of contents, sample pages, and publication schedule. www.hbw.com
Worldwide database compiled from the ornithological literature of birds with two different species as parents. Includes complete references for each species combination. In English, French, and Spanish. www.bird-hybrids.com
World Book Encyclopedia article covers physical features, behavior, migration, factors which determine range, and how to protect birds. Includes brief facts on individual species. www.worldbook.com/features/birds/html
Official source on the taxonomy of birds found in North and Middle America, including adjacent islands. The full list of bird species (with scientific and English names) is online in HTML, .pdf, and Excel formats. www.aou.org/checklist